Section 3175.117 - On-line gas chromatographs(a) On-line GCs must be installed, operated, and maintained under GPA 2166-05, Appendix D (incorporated by reference, see § 3175.30 ), and the manufacturer's specifications, instructions, and recommendations.(b) The GC must comply with the verification and calibration requirements of § 3175.118 . The results of all verifications must be submitted to the AO upon request.(c) Upon request, the operator must submit to the AO the manufacturer's specifications and installation and operational recommendations.